from tkinter import *

print('Введите начальную координату X:')
X = int(input())
print('Введите начальную координату Y:')
Y = int(input())
print('Введите коэффицент увеличения N:')
N = int(input())
coords= [0, 0, 10, 0, 10, 20, 10, 20, 30, 10, 30, 10, 20, 0, 20.]
root = Tk()
root.title("ИТ марафон")
root.geometry("500x500")

canvas = Canvas(bg="white", width=500, height=500)
canvas.pack(anchor=CENTER, expand=1)
if N==0 and X>=0 and X<=500 and Y>=0 and Y<=500:
    pass
else:
     if N>0 and 0*N+X>=0 and 0*N+Y>=0 and 0*N+X<=500 and 0*N+Y<=500:
       pass
     else:
        if N<0 and 20*N+X>=0 and 20*N+Y>=0 and 0*N+X<=500 and 0*N+Y<=500: 
         pass
        else: 
             print("Размер фигуры превышает максимальный размер поля")
             exit()

canvas.create_polygon(coords[0] *N+X, coords[1] *N+Y,
coords[2] *N+X, coords[3] *N+Y,
coords[4] *N+X, coords[5] *N+Y,
coords[6] *N+X, coords[7] *N+Y,
coords[8] *N+X, coords[9] *N+Y,
coords[10]*N+X, coords[11]*N+Y,
coords[12]*N+X, coords[13]*N+Y,
coords[14]*N+X, coords[15]*N+Y,
fill="#fb0")
root.mainloop()
